.bin/backup-dvd

   1 #!/bin/bash
   2
   3 usage() {
   4         cat <<-EOF
   5         backup-dvd [options]
   6
   7         Options:
   8          -i <input dev>      Defaults to ${dev}
   9          -o <output dir>     Defaults to ${out}
  10          -n <volume name>    Defaults to volume on disk
  11         EOF
  12         exit ${1:-0}
  13 }
  14
  15 dev=/dev/cdrom
  16 out=${PWD}
  17 vol=
  18
  19 eval set -- `getopt -- hi:n:o: "$@"`
  20 while [[ -n $1 ]] ; do
  21         case $1 in
  22                 -h) usage;;
  23                 -i) dev=$2; shift 2;;
  24                 -o) out=$2; shift 2;;
  25                 -n) vol=$2; shift 2;;
  26                 --) shift; break;;
  27                 -*) usage 1;;
  28                 *)  usage 2; break;;
  29         esac
  30 done
  31
  32 # iso-info              mkisofs
  33 Application=    # -A
  34 Preparer=               # -p
  35 Publisher=              # -publisher
  36 System=                 # -sysid
  37 Volume=${vol}   # -V
  38 Volume_Set=             # -volset
  39
  40 if [[ -z ${Volume} ]] ; then
  41         info=$(iso-info ${dev}) || exit 1
  42
  43         eval $(echo "${info}" | awk -F: '
  44                 (NF > 1 && $1 !~ /image/) {
  45                         sub(/ *$/, "", $1);
  46                         sub(/ /, "_", $1);
  47                         sub(/^ */, "", $2);
  48                         print $1 "=\"" $2 "\"";
  49         }')
  50 fi
  51
  52 if [[ -z ${Volume} ]] ; then
  53         echo "Unable to parse Volume out of ISO"
  54         iso-info ${dev}
  55 fi
  56
  57 echo "Backing up: ${Volume}"
  58
  59 e() {
  60         for a ; do
  61                 [[ ${a} == *" "* || ${#a} == 0 ]] && fmt='"%s"' || fmt='%s'
  62                 printf "${fmt} " "${a}"
  63         done
  64         echo
  65         "$@"
  66 }
  67 opts=(
  68         -i ${dev}
  69         -o "${out}"
  70         -n "${Volume}"
  71 )
  72 if ! e dvdbackup -M "${opts[@]}" ; then
  73         e dvdbackup -F "${opts[@]}" || exit 1
  74 fi
  75 e mkisofs -quiet -dvd-video \
  76         -A "${Application}" \
  77         -p "${Preparer}" \
  78         -publisher "${Publisher}" \
  79         -sysid "${System}" \
  80         -V "${Volume}" \
  81         -volset "${Volume_Set}" \
  82         -o "${out}/${Volume}.iso" "${Volume}"
  83 du -h "${out}/${Volume}.iso"
  84
  85 exec eject